The Dwyer SMC-1 Sound Calibrator is ideal for setting standard noise levels at 94 dB and 114 dB. The SMC-1 has an output
frequency of 1 kHz, ±4%. This unit functions best when environment conditions have a temperature of 68°F (20°C), relative
humidity of 65%, and an atmospheric pressure of 29.9˝ Hg (1013 mbar). The SMC-1 features a measuring accuracy of ±0.5 dB,
a low battery indicator, and a 1/2˝ microphone adapter. This calibrator has a compact design that allows the user to
conveniently operate and store the product. At 10 oz (283 g) including the battery, the SMC-1 is also extremely lightweight.
Each unit includes carrying case, battery, and instruction manual. This calibrator is ideal for calibrating sound meters
such as the Dwyer Series SM-100.